1149213 has 16 divisors (see below), whose sum is σ = 1675520. Its totient is φ = 696384.

The previous prime is 1149209. The next prime is 1149221. The reversal of 1149213 is 3129411.

It is not a de Polignac number, because 1149213 - 2² = 1149209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1149213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2895 + ... + 3267.

It is an arithmetic number, because the mean of its divisors is an integer number (104720).

2^1149213 is an apocalyptic number.

1149213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1149213 is a deficient number, since it is larger than the sum of its proper divisors (526307).

1149213 is a wasteful number, since it uses less digits than its factorization.

1149213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468.

The product of its digits is 216, while the sum is 21.

The square root of 1149213 is about 1072.0135260341. The cubic root of 1149213 is about 104.7450503943.

The spelling of 1149213 in words is "one million, one hundred forty-nine thousand, two hundred thirteen".